期刊
MARINE POLLUTION BULLETIN
卷 180, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2022.113766
关键词
Beach pollution; Environmental pathogens; Plastic pollution; Plastisphere; Sewage discharge; Wet wipes
资金
- UKRI Natural Environment Research Council (NERC) [NE/S005196/1, NE/V005847/1]
This study found that sewage-associated plastic waste could enhance the survival and dissemination of fecal indicator organisms and Vibrio on beaches, with evidence of resistance to multiple antibiotics.
Sewage-associated plastic wastes, such as wet wipes and cotton bud sticks, commonly wash up on beaches; however, it is unclear whether this represents a public health risk. In this study, sewage-associated plastic waste, and naturally occurring substrates (seaweed and sand), were collected from ten beaches along the Firth of Forth estuary (Scotland, UK) and analysed using selective media for the faecal indicator organisms (FIOs) E. coli and intestinal enterococci (IE), and potential human pathogens (Vibrio spp.). Minimum inhibitory concentration (MIC) analysis was used to determine antibiotic resistance in selected strains. FIOs and Vibrio were more often associated with wet wipes and cotton bud sticks than with seaweed, and there was evidence of resistance to several antibiotics. This work demonstrates that plastics associated with sewage pollution can facilitate the survival and dissemination of FIOs and Vibrio and thus, could present an as yet unquantified potential risk to human health at the beach.
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